
AaS! 249: Where Do the Constants of Nature Come From? Part 1
Part 1 of 2! How do fundamental constants appear in physics? Why are they so important? Why do we care where they come from? I discuss these questions and more in today's Ask a Spaceman! Support the s...
3 Juni 202536min

AaS! 248: What's Going on Inside Neutron Stars?
What's inside a neutron star? What strange states of matter do we encounter? And what mysteries will we find deep in the core? I discuss these questions and more in today's Ask a Spaceman! Support the...
20 Maj 202532min

AaS! 247: How Can We Get Giant Black Holes in the Early Universe?
How do we explain the giant black holes appearing in the young universe? Is it possible to directly collapse a black hole, skipping the formation of stars? What does ultraviolet radiation have to do w...
6 Maj 202528min

AaS! 246: What is Stephen Hawking's Legacy?
How do you measure the impact of a scientist? Does Stephen Hawking compare to Newton or Einstein? What were his contributions to black holes, the big bang, and quantum gravity? I discuss these questio...
22 Apr 202536min

AaS! 245: What Made the Moon?
Why is the moon so special? Why do we think a giant impact created it? Why didn't the same thing happen to other planets? I discuss these questions and more in today's Ask a Spaceman! Support the show...
8 Apr 202525min

AaS! 244: What's the Most Important Wavelength in All Astronomy?
What is 21-cm radiation? What (and who) produces it? What causes it, and what does it tell us about the universe? I discuss these questions and more in today's Ask a Spaceman! Support the show: http:/...
18 Mars 202528min

AaS! 243: So Is the Warp Drive Legit or Not?
What is an Alcubierre warp drive? What would it take to make it work? Could it propel spacecraft even below the speed of light? I discuss these questions and more in today's Ask a Spaceman! Support th...
4 Mars 202531min

AaS! 242: Are There Invisible Stars in the Universe?
What is an axion? How could axions make a star, and what does that have to do with dark matter? What would these stars look like? I discuss these questions and more in today's Ask a Spaceman! Support ...
18 Feb 202535min





















